Covers topics such as cartesian coordinates, sines and cosines, secants and cosecants, tangents and cotangents, transforming functions, operating on identities, adding Heron's formula, and determining domain and range.

• Practice on hundreds of beginning-to-advanced trig problems
• Review key trig concepts
• Get complete answer explanations for all problems

From angles to functions to identities — solve trig equations with ease

Got a grasp on the terms and concepts you need to know, but get lost halfway through a problem or worse yet, not know where to begin? No fear — this hands-on-guide focuses on helping you solve the many types of trigonometry equations you encounter in a focused, step-by-step manner. With just enough refresher explanations before each set of problems, you'll sharpen your skills and improve your performance. You???ll see how to work with angles, circles, triangles, graphs, functions, the laws of sines and cosines, and more!

100s of Problems!

Step-by-step answer sets clearly identify where you went wrong (or right) with a problem
Get the inside scoop on graphing trig functions
Know where to begin and how to solve the most common equations
Use trig in practical applications with confidence

THE DUMMIES WORKBOOK WAY

Quick, refresher explanations
Step-by-step procedures
Hands-on practice exercises
Ample workspace to work out problems
Online Cheat Sheet
A dash of humor and fun

Get smart! @www.dummies.com

• Find listings of all our books
• Choose from many different subject categories
• Sign up for eTips at etips.dummies.com

From angles to functions to identities - solve trig equations with ease

Got a grasp on the terms and concepts you need to know, but get lost halfway through a problem or worse yet, not know where to begin? No fear - this hands-on-guide focuses on helping you solve the many types of trigonometry equations you encounter in a focused, step-by-step manner. With just enough refresher explanations before each set of problems, you'll sharpen your skills and improve your performance. You'll see how to work with angles, circles, triangles, graphs, functions, the laws of sines and cosines, and more!

100s of Problems!
* Step-by-step answer sets clearly identify where you went wrong (or right) with a problem
* Get the inside scoop on graphing trig functions
* Know where to begin and how to solve the most common equations
* Use trig in practical applications with confidence